7381122 has 64 divisors (see below), whose sum is σ = 17808384. Its totient is φ = 1995840.

The previous prime is 7381117. The next prime is 7381123. The reversal of 7381122 is 2211837.

It is a junction number, because it is equal to n+sod(n) for n = 7381092 and 7381101.

It is not an unprimeable number, because it can be changed into a prime (7381123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110133 + ... + 110199.

It is an arithmetic number, because the mean of its divisors is an integer number (278256).

Almost surely, 2^7381122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7381122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8904192).

7381122 is an abundant number, since it is smaller than the sum of its proper divisors (10427262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7381122 is a wasteful number, since it uses less digits than its factorization.

7381122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183.

The product of its digits is 672, while the sum is 24.

The square root of 7381122 is about 2716.8220405466. The cubic root of 7381122 is about 194.7036656129.

Adding to 7381122 its reverse (2211837), we get a palindrome (9592959).

It can be divided in two parts, 7381 and 122, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 7381122 in words is "seven million, three hundred eighty-one thousand, one hundred twenty-two".